[Qemu-devel] [RFC PATCH v2 08/23] ppc: Prepare CPU socket/core abstraction

[Bharata B Rao]

Signed-off-by: Bharata B Rao <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
 hw/ppc/Makefile.objs        |  1 +
 hw/ppc/cpu-core.c           | 46 ++++++++++++++++++++++++++++++++++++++++++++
 hw/ppc/cpu-socket.c         | 47 +++++++++++++++++++++++++++++++++++++++++++++
 include/hw/ppc/cpu-core.h   | 32 ++++++++++++++++++++++++++++++
 include/hw/ppc/cpu-socket.h | 32 ++++++++++++++++++++++++++++++
 5 files changed, 158 insertions(+)
 create mode 100644 hw/ppc/cpu-core.c
 create mode 100644 hw/ppc/cpu-socket.c
 create mode 100644 include/hw/ppc/cpu-core.h
 create mode 100644 include/hw/ppc/cpu-socket.h

diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
index c8ab06e..a35cac5 100644
--- a/hw/ppc/Makefile.objs
+++ b/hw/ppc/Makefile.objs
@@ -1,5 +1,6 @@
 # shared objects
 obj-y += ppc.o ppc_booke.o
+obj-y += cpu-socket.o cpu-core.o
 # IBM pSeries (sPAPR)
 obj-$(CONFIG_PSERIES) += spapr.o spapr_vio.o spapr_events.o
 obj-$(CONFIG_PSERIES) += spapr_hcall.o spapr_iommu.o spapr_rtas.o
diff --git a/hw/ppc/cpu-core.c b/hw/ppc/cpu-core.c
new file mode 100644
index 0000000..ed0481f
--- /dev/null
+++ b/hw/ppc/cpu-core.c
@@ -0,0 +1,46 @@
+/*
+ * ppc CPU core abstraction
+ *
+ * Copyright (c) 2015 SUSE Linux GmbH
+ * Copyright (C) 2015 Bharata B Rao <address@hidden>
+ */
+
+#include "hw/qdev.h"
+#include "hw/ppc/cpu-core.h"
+
+static int ppc_cpu_core_realize_child(Object *child, void *opaque)
+{
+    Error **errp = opaque;
+
+    object_property_set_bool(child, true, "realized", errp);
+    if (*errp) {
+        return 1;
+    }
+
+    return 0;
+}
+
+static void ppc_cpu_core_realize(DeviceState *dev, Error **errp)
+{
+    object_child_foreach(OBJECT(dev), ppc_cpu_core_realize_child, errp);
+}
+
+static void ppc_cpu_core_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+
+    dc->realize = ppc_cpu_core_realize;
+}
+
+static const TypeInfo ppc_cpu_core_type_info = {
+    .name = TYPE_POWERPC_CPU_CORE,
+    .parent = TYPE_DEVICE,
+    .class_init = ppc_cpu_core_class_init,
+};
+
+static void ppc_cpu_core_register_types(void)
+{
+    type_register_static(&ppc_cpu_core_type_info);
+}
+
+type_init(ppc_cpu_core_register_types)
diff --git a/hw/ppc/cpu-socket.c b/hw/ppc/cpu-socket.c
new file mode 100644
index 0000000..602a060
--- /dev/null
+++ b/hw/ppc/cpu-socket.c
@@ -0,0 +1,47 @@
+/*
+ * PPC CPU socket abstraction
+ *
+ * Copyright (c) 2015 SUSE Linux GmbH
+ * Copyright (C) 2015 Bharata B Rao <address@hidden>
+ */
+
+#include "hw/qdev.h"
+#include "hw/ppc/cpu-socket.h"
+#include "sysemu/cpus.h"
+
+static int ppc_cpu_socket_realize_child(Object *child, void *opaque)
+{
+    Error **errp = opaque;
+
+    object_property_set_bool(child, true, "realized", errp);
+    if (*errp) {
+        return 1;
+    } else {
+        return 0;
+    }
+}
+
+static void ppc_cpu_socket_realize(DeviceState *dev, Error **errp)
+{
+    object_child_foreach(OBJECT(dev), ppc_cpu_socket_realize_child, errp);
+}
+
+static void ppc_cpu_socket_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+
+    dc->realize = ppc_cpu_socket_realize;
+}
+
+static const TypeInfo ppc_cpu_socket_type_info = {
+    .name = TYPE_POWERPC_CPU_SOCKET,
+    .parent = TYPE_CPU_SOCKET,
+    .class_init = ppc_cpu_socket_class_init,
+};
+
+static void ppc_cpu_socket_register_types(void)
+{
+    type_register_static(&ppc_cpu_socket_type_info);
+}
+
+type_init(ppc_cpu_socket_register_types)
diff --git a/include/hw/ppc/cpu-core.h b/include/hw/ppc/cpu-core.h
new file mode 100644
index 0000000..95f1c28
--- /dev/null
+++ b/include/hw/ppc/cpu-core.h
@@ -0,0 +1,32 @@
+/*
+ * PowerPC CPU core abstraction
+ *
+ * Copyright (c) 2015 SUSE Linux GmbH
+ * Copyright (C) 2015 Bharata B Rao <address@hidden>
+ */
+#ifndef HW_PPC_CPU_CORE_H
+#define HW_PPC_CPU_CORE_H
+
+#include "hw/qdev.h"
+#include "cpu.h"
+
+#ifdef TARGET_PPC64
+#define TYPE_POWERPC_CPU_CORE "powerpc64-cpu-core"
+#elif defined(TARGET_PPCEMB)
+#define TYPE_POWERPC_CPU_CORE "embedded-powerpc-cpu-core"
+#else
+#define TYPE_POWERPC_CPU_CORE "powerpc-cpu-core"
+#endif
+
+#define POWERPC_CPU_CORE(obj) \
+    OBJECT_CHECK(PowerPCCPUCore, (obj), TYPE_POWERPC_CPU_CORE)
+
+typedef struct PowerPCCPUCore {
+    /*< private >*/
+    DeviceState parent_obj;
+    /*< public >*/
+
+    PowerPCCPU thread[0];
+} PowerPCCPUCore;
+
+#endif
diff --git a/include/hw/ppc/cpu-socket.h b/include/hw/ppc/cpu-socket.h
new file mode 100644
index 0000000..5ae19d0
--- /dev/null
+++ b/include/hw/ppc/cpu-socket.h
@@ -0,0 +1,32 @@
+/*
+ * PowerPC CPU socket abstraction
+ *
+ * Copyright (c) 2015 SUSE Linux GmbH
+ * Copyright (C) 2015 Bharata B Rao <address@hidden>
+ */
+#ifndef HW_PPC_CPU_SOCKET_H
+#define HW_PPC_CPU_SOCKET_H
+
+#include "hw/cpu/socket.h"
+#include "cpu-core.h"
+
+#ifdef TARGET_PPC64
+#define TYPE_POWERPC_CPU_SOCKET "powerpc64-cpu-socket"
+#elif defined(TARGET_PPCEMB)
+#define TYPE_POWERPC_CPU_SOCKET "embedded-powerpc-cpu-socket"
+#else
+#define TYPE_POWERPC_CPU_SOCKET "powerpc-cpu-socket"
+#endif
+
+#define POWERPC_CPU_SOCKET(obj) \
+    OBJECT_CHECK(PowerPCCPUSocket, (obj), TYPE_POWERPC_CPU_SOCKET)
+
+typedef struct PowerPCCPUSocket {
+    /*< private >*/
+    DeviceState parent_obj;
+    /*< public >*/
+
+    PowerPCCPUCore core[0];
+} PowerPCCPUSocket;
+
+#endif
-- 
2.1.0